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WARNING: CPU: 0 PID: 1106 at drivers/block/ublk_drv.c:1579 ublk_uring_cmd_cancel_fn+0x34f/0x410 drivers/block/ublk_drv.c:1579
Modules linked in:
CPU: 0 UID: 0 PID: 1106 Comm: iou-sqp-1104 Not tainted syzkaller #0 93eddc1838258aeaad15fa2c6edda141fca4db6a
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ublk_uring_cmd_cancel_fn+0x34f/0x410 drivers/block/ublk_drv.c:1579
Code: 5d e9 c5 1a 55 02 cc e8 6f 4d 32 fe 0f 0b eb e3 e8 66 4d 32 fe 0f 0b eb da e8 5d 4d 32 fe 0f 0b e9 4d fe ff ff e8 51 4d 32 fe <0f> 0b eb c5 44 89 e1 80 e1 07 fe c1 38 c1 0f 8c 0c fd ff ff 4c 89
RSP: 0000:ffffc9001060f8d0 EFLAGS: 00010293
RAX: ffffffff8355797f RBX: 1ffff11023ba8c55 RCX: ffff88812066cc00
RDX: 0000000000000000 RSI: 0000000000000897 RDI: 0000000000000e99
RBP: ffffc9001060f920 R08: 0000000000000003 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff83556960 R12: ffff88812066cc00
R13: ffff88811dd46280 R14: ffff888120600000 R15: ffff888120600010
FS:  00007f3ce8cab6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001080 CR3: 0000000102b68000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ublk_ch_uring_cmd+0x6f/0xa0 drivers/block/ublk_drv.c:1975
 io_uring_try_cancel_uring_cmd+0x19e/0x280 io_uring/uring_cmd.c:68
 io_uring_try_cancel_requests+0x4ce/0x5a5 io_uring/io_uring.c:3185
 io_uring_cancel_generic+0x415/0x6eb io_uring/io_uring.c:3245
 io_sq_thread+0x1747/0x1c80 io_uring/sqpoll.c:422
 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
RIP: 0033:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 002b:0000000000000000 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: 0000000000000000 RBX: 0000200000000808 RCX: 00007f3ce7d9ce59
RDX: 0000200000000888 RSI: 0000200000000808 RDI: 0000000000000e99
RBP: 0000200000000800 R08: 0000200000000900 R09: 0000000000000000
R10: 0000200000000890 R11: 0000000000000206 R12: 0000200000000888
R13: 0000200000000890 R14: 00007f3ce8caafd8 R15: 0000000000000000
 </TASK>
---[ end trace 0000000000000000 ]---